TROUBLESHOOTING
IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICE DEALER.
PROBLEM | POSSIBLE CAUSE | SOLUTION |
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Engine will not start | 1. No spark. |
2. No fuel.
3. Engine is flooded.
1.Check spark. Remove spark plug. Reattach the spark plug cap and lay spark plug on metal cylinder. Pull the rope and watch for spark at spark plug tip. If there is no spark, repeat test with a new spark plug.
2.Push primer bulb until bulb is full of fuel. If bulb does not fill, primary fuel delivery system is blocked. Contact a service dealer. If primer bulb fills, engine may be flooded, proceed to next item.
3.Set the start lever to the START position. Squeeze the trigger and pull the rope repeatedly until the engine starts and runs.
NOTE: Depending on the severity of the flooding, this may require numerous pulls of the rope. See
Figure 23.
Engine does not reach full speed and emits excessive smoke
1.Incorrect oil/fuel mixture.
2.Air filter is dirty.
3.Spark arrestor screen is dirty.
4.Spark plug fouled.
1.Use fresh fuel and the correct
2.Clean air filter. Refer to “Replacing and Cleaning Air Filter” earlier in this manual.
3.Contact a servicing dealer.
4.Clean or replace spark plug. Reset spark plug gap. Refer to “Spark Plug Replacement” earlier in this manual.
Engine starts, runs, and ac- | 1. | Idle speed screw on carburetor | 1. | Turn idle speed screw clockwise to increase idle | ||
| needs adjustment. | |||||
celerates but will not idle |
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| speed. See Figure 31. | |||
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String will not advance | 1. String is welded to itself. | 1. | Lubricate string with silicone spray. | |||
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| 2. | Not enough string on spool. | 2. | Install more string. Refer to “String Replacement” | |
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| earlier in this manual. | |
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| 3. | String is worn too short. | 3. | Pull strings while alternately pressing down on | |
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| and releasing spool retainer. | |
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| 4. | String is tangled on spool. | 4. | Remove string from spool and rewind. Refer to | |
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| “String Replacement” earlier in this manual. | |
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| 5. | Engine speed is too slow. | 5. | Advance string at full throttle. | |
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IDLE SPEED
SCREW
Fig. 31
22
